Home / 724,274.46-999,622.45-418,295.85

Finding the Fourth Proportional to 724,274.46, 999,622.45 and 418,295.85

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Solution

The fourth proportional to 724,274.46, 999,622.45 and 418,295.85 is: 577,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,274.46 : 999,622.45 = 418,295.85 : x
  2. Step 2: Convert to fraction form
    724,274.46/999,622.45 = 418,295.85/x
  3. Step 3: Cross multiply
    724,274.46x = 999,622.45 × 418,295.85
  4. Step 4: Simplify right side
    724,274.46x = 418,137,919,176.12
  5. Step 5: Solve for x
    x = 418,137,919,176.12/724,274.46
  6. Step 6: Final answer
    x = 577,319.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.